Quadra-Trac vs Quadra-Drive - JeepForum.com
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post #1 of 49 Old 09-17-2005, 01:56 PM Thread Starter
grovesj2
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Quadra-Trac vs Quadra-Drive

What is the difference between them?
Thanks,
Jesse

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post #2 of 49 Old 09-17-2005, 03:34 PM
BlaineWasHere
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QudaTracII is open front diff and rear trac-lock diff...
QuadraDrive is both front and rear vari-lock diffs...

Both use NV247 T -case

Basciy:
QTII = rear limted slip diff
QD = front and rear limted slip diffs (and they are alittle better)

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post #3 of 49 Old 09-17-2005, 07:12 PM
bikemanj7
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i thought quadra trac II had all open diffs?? hmm...

2002 Jeep Grand Cherokee SPECIAL EDITION 4.0L Quadra Trac II
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post #4 of 49 Old 09-17-2005, 07:56 PM
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Quote:
Originally Posted by bikemanj7
i thought quadra trac II had all open diffs?? hmm...

Some might... look at your build sheet to find out if you have open, trac-lock, or vari-lock...

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post #5 of 49 Old 09-17-2005, 10:04 PM
Chandler
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This is what my 04 WJ has

QUADRA-DRIVE 4WD SYSTEM
Quadra-Trac II On Demand 4WD System
Vari-Lok Progressive Front Axle
Vari-Lok Progressive Rear Axle
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post #6 of 49 Old 09-17-2005, 10:10 PM
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Does the Select Trac has these vari-lock or trac-lock.

2000 WJ 4.0 I6 --> Daily Driver for past 7 year and love it.
BridgeStone Revos 265/70 R16
Kevin's Rock Slider - LP1 model
Kevin's 2.5"BB, DT3000, OME SS, Addco Rear Sway bar
Front Skid & Transfer Case Skid.

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post #7 of 49 Old 09-18-2005, 09:18 AM
Diehard
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Cool Qt II

You only have the limited slip on the rear with a QT II if you ordered the option. And either you have a Quadradrive or Quadratrac II not both.

2004 GC Spec. Edit. V8 4x4 Quadra-Trac II. Bright Silver Metallic Clear Coat, 4" lift, RE shocks, adj. JKS CAs all around, 265/75/16, 10 ply., Maxxis Bighorns, ProtoFab winch bumper, Vortex 10,000 lb. winch, dual OME steering stabilizer, Rockyroad rockrails, skids, JKS Discos. Addco front & rear sway bar, & Aussie locker. Next year? : Rear bumper with tire carrier.
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post #8 of 49 Old 09-18-2005, 11:14 AM
2Grand4s
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Lightbulb That last post is not quite accurate

Quadra Drive is a Quadra Track 2 transfer case combined with front and rear 'vari-lock' differentials in the axles. So they actually are, in the transfer case, the same thing. If you install limited slip differentials in the front and rear and you already have a QT 2 transfer case my thought is you made your own Quadra-Drive system.

My 04 Overland has, as all Overland models do, the Quadra Drive system, but the invoice says the Jeep has a QT-2 transfer case., and never mentions Quadra-Drive. The two Vari-Lok axles make it Quadra Drive.

Here's one for you when does your factory Jeep grand Cherokee have a Dana 44 rear and when doesn't it ?

Ed . . .owner of 2 Grand's, a 94 Limited V-8 w/Up-Country and a '04 Overland 4WD

205,000 miles on the '94, 2500 Miles on the '04
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post #9 of 49 Old 09-18-2005, 11:38 AM
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Quote:
Originally Posted by 2Grand4s

Here's one for you when does your factory Jeep grand Cherokee have a Dana 44 rear and when doesn't it ?
V8 WJ= D44a rear axel
I6 WJ no tow pkg= D35c rear axel
I6 WK w/tow pkg= D44a*

*sometimes they still have the D35c with this set up too... It can really go either way...

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post #10 of 49 Old 09-18-2005, 12:59 PM
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Thumbs up Ok

I stand corrected. I was just going by names and not the technical point of the different TCs. Thanks for the clarification. Never too old to learn.

2004 GC Spec. Edit. V8 4x4 Quadra-Trac II. Bright Silver Metallic Clear Coat, 4" lift, RE shocks, adj. JKS CAs all around, 265/75/16, 10 ply., Maxxis Bighorns, ProtoFab winch bumper, Vortex 10,000 lb. winch, dual OME steering stabilizer, Rockyroad rockrails, skids, JKS Discos. Addco front & rear sway bar, & Aussie locker. Next year? : Rear bumper with tire carrier.
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post #11 of 49 Old 09-18-2005, 01:13 PM
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Quote:
Originally Posted by 2Grand4s
Here's one for you when does your factory Jeep grand Cherokee have a Dana 44 rear and when doesn't it ?

My overland's got a D44. It has the class 4 tow package installed. I think the tow package determines D44.
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post #12 of 49 Old 09-18-2005, 04:40 PM
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Quote:
Originally Posted by Chandler
My overland's got a D44. It has the class 4 tow package installed. I think the tow package determines D44.

All V8 WJ's have the D44a... tow pkg or not...

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post #13 of 49 Old 09-19-2005, 10:31 PM
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There is yet another difference between Quadra Trac and Quadra Drive II.
Towing capacity.
Quadra Trac = 6500 lbs (Max = 7200lbs)
Quadra Drive II = 3500 lbs

So it looks as though you need to make a choice based on your towing or traction needs as well.
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post #14 of 49 Old 09-19-2005, 10:57 PM
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Quote:
Originally Posted by Bob_V
There is yet another difference between Quadra Trac and Quadra Drive II.
Towing capacity.
Quadra Trac = 6500 lbs (Max = 7200lbs)
Quadra Drive II = 3500 lbs

So it looks as though you need to make a choice based on your towing or traction needs as well.

My QD can tow 6,500 ... Not sure where you got that info... 3,500 is the amount the V6 WK can tow... Maybe you get them confused?

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post #15 of 49 Old 09-20-2005, 02:35 PM
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I got the specs from the jeep.com website under "Specifications" - "Capacities/Weights".
I should also note that I was looking at the '06 Overland model which comes with Quadra-Trac II Active Full-Time 4WD and Quadra-DriveŽ II 4WD System standard.
It certainly doesn't make sense that they would do this.
Must be a typo on their site eh?
I hope this is an error on their part as I am buying the '06 Overland hopefully by the end of this week.
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